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2 years ago

Two Parallel lines are crossed by a transversal what is the value of y

Mathematics

2 answers:

sleet_krkn [62]2 years ago

6 0

B and c are parallel then
y = 50

Wittaler [7]2 years ago

3 0

Answer:

y=50

Step-by-step explanation:

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Jana earns $25 per week for mowing the lawn and deposits the money into her savings account. The amount of money in Jana’s accou

Verizon [17]

Answer:

The amount of money in the account in addition to that earned from mowing lawns.

Step-by-step explanation:

125 is the amount in the account when 0 weeks are spent mowing lawns. Presumably, it is the initial value of the account before the first lawn money is added.

5 0

2 years ago

The cost C of hiring a lorry is partly constant and partly varies with the time T spent. If it cost ₦850 for 4 hours hire and ₦1

enot [183]

Answer:

$1800

Step-by-step explanation:

First, rewrite out the information you already have:

-for 4 hrs-cost $850

-for 7 hrs-cost $1300

-for 12 hrs-$?

Next, we have to find out the amount of cost for hire per hour, so we can multiply that by 12 hrs:

-start by subtracting $850 from $1300:

1300-850=$450

-now subtract 4 hrs from 7 hrs:

7-4=3 hrs

In doing this, we see that the cost for 3 hrs hire is $450. Now, to find the unit cost per hr hire, divide $450 by 3 hrs:

450÷3=$150/hr

It costs $150 per hr hire.

Now, we have to find the cost for 12 hrs hire, so just multipy the unit cost by 12:

150*12=$1800 for 12 hrs hire

It costs $1800 for 12 hrs hire.

6 0

2 years ago

Read 2 more answers

Jacob’s daily tips this work week were $99, $78, $58, $91, $90, and $68. Is Jacob correct in thinking that the mean best represe

alexandr1967 [171]

Jacob is correct in thinking that because the mean represents the average of several quantities

3 0

2 years ago

Read 2 more answers

Kathy and her brother Clay recently ran in a local marathon. The distribution of finishing time for women was approximately norm

natima [27]

Answer:

a) Clay's marathon time is 1.62 standard deviations above the mean finishing time for men.

b) 69.51% of those who ran the marathon has a finishing time less than 272.

c) The spread in the distribution of women's finishing time is greater as compared to the spread in the distribution of men's finishing time.

Step-by-step explanation:

Part a) It was given that, the finishing time for Clay's marathon time is 289 minutes.

To calculate the standardized test score for Clay's marathon time, we use the formula:

$z = \frac{x - \mu}{ \sigma}$

where

$x = 289$

$\mu = 242$

and

$\sigma = 29$

We substitute the values into the formula to get:

$z = \frac{289 - 242}{29} = 1.62$

Interpretation: Clay's marathon time is 1.62 standard deviations above the mean finishing time for men.

b) To calculate the proportion of women that had a finishing time less than Kathy , we again need to calculate the z-score for x=272, with mean for women being 259 minutes and standard deviation 32 minutes.

We substitute to get:

$z = \frac{272 - 259}{32} = 0.41$

From the standard normal distribution table, P(z<0.41)=0.6951

Therefore 69.51% of those who ran the marathon has a finishing time less than 272.

c) The standard deviation measures the variation of a distribution. This means the standard deviation measures how far away the data set of a distribution are from the mean.

If the standard deviation of finishing time is greater for women than for men, then it indicates that, women's finishing time are far away from the mean finishing time as compared to men's finishing time.

5 0

2 years ago

A man spends $880 in a month. Out of this 26% goes to his rent. How much is his rent?

melisa1 [442]

26% of $880
= 0.26 x 880
= $228.80

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Answer: Rent = $228.80
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4 0

2 years ago